Class InformationNumber: 257/778Name:Active solid-state devices (e.g., transistors, solid-state diodes) > Combined with electrical contact or lead > Flip chipDescription: Subject matter wherein a semiconductor substrate which contains an active solid-state electronic device has electric contacts on the top side thereof, the top side being that which contains an active solid-state electronic device, and which is flipped so that the contact side becomes the bottom side for connection with a substrate which has matching electrical contacts.